22226344 has 64 divisors (see below), whose sum is σ = 51874560. Its totient is φ = 8709120.

The previous prime is 22226341. The next prime is 22226357. The reversal of 22226344 is 44362222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22226341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34909 + ... + 35539.

It is an arithmetic number, because the mean of its divisors is an integer number (810540).

Almost surely, 2^22226344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22226344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25937280).

22226344 is an abundant number, since it is smaller than the sum of its proper divisors (29648216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22226344 is a wasteful number, since it uses less digits than its factorization.

22226344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698 (or 694 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 22226344 is about 4714.4823681927. The cubic root of 22226344 is about 281.1616029028.

Adding to 22226344 its reverse (44362222), we get a palindrome (66588566).

The spelling of 22226344 in words is "twenty-two million, two hundred twenty-six thousand, three hundred forty-four".